Description: The Zala 421-16E2 is a mini-Unmanned Aerial Vehicle (mini-UAV) developed by Zala Aero Group to perform surveillance missions. This UAV is launched manually with the help of an elastic catapult and is recovered using a built-in shock absorbing airbag. The Zala 421-16E2 is controlled by a single operator in real-time with multi-channel encrypted data-link. It features automatic target tracking function using a nose-mounted electro-optical sensor combining a daytime camera with 60x magnification and a thermal surveillance device with 10x zoom. The navigation system is based in a built-in inertial measurement unit (IMU) working fully autonomously from the GLONASS system. The vehicle weighs 7.5 kilograms and can stay airborne for four hours operating in all weather conditions. The Zala 421-16E2 mini-UAV entered service with the Russian Armed Forces in January 2016 and was unveiled at IDEX 2017 exhibition.